EPSS score history for CVE-2021-20139, showing historical risk changes and exploitation probability trends for vulnerability prioritization and security analysis.
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 7.77% | 3.98% | -3.78% |
| 2 | 2025-11-21 | 5.25% | 7.77% | +2.52% |
| 3 | 2025-11-18 | 7.77% | 5.25% | -2.52% |
| 4 | 2025-03-30 | 9.00% | 7.77% | -1.23% |
| 5 | 2025-03-29 | 7.77% | 9.00% | +1.23% |
| 6 | 2025-03-17 | 0.18% | 7.77% | +7.58% |
| 7 | 2024-07-15 | 0.08% | 0.18% | +0.10% |
| 8 | 2023-03-07 | 1.05% | 0.08% | -0.97% |
| 9 | 2022-04-01 | 1.37% | 1.05% | -0.31% |
| 10 | 2022-02-04 | 3.99% | 1.37% | -2.63% |
| 11 | 2022-01-06 | 0.92% | 3.99% | +3.07% |
| 12 | 2021-12-10 | — | 0.92% | — |